Chapter 40. Three de Broglie waves are shown for particles of equal mass. Rank in order, from...
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Transcript of Chapter 40. Three de Broglie waves are shown for particles of equal mass. Rank in order, from...
![Page 1: Chapter 40. Three de Broglie waves are shown for particles of equal mass. Rank in order, from largest to smallest, the speeds of particles a, b, and c.](https://reader035.fdocuments.in/reader035/viewer/2022062518/56649f355503460f94c53771/html5/thumbnails/1.jpg)
Chapter 40
![Page 2: Chapter 40. Three de Broglie waves are shown for particles of equal mass. Rank in order, from largest to smallest, the speeds of particles a, b, and c.](https://reader035.fdocuments.in/reader035/viewer/2022062518/56649f355503460f94c53771/html5/thumbnails/2.jpg)
Three de Broglie waves are shown for particles of equal mass. Rank in order, from largest to smallest, the speeds of particles a, b, and c.
1. va = vb > vc 2. vb > va > vc 3. vb > va = vc 4. vc > va > vb 5. vc > va = vb
![Page 3: Chapter 40. Three de Broglie waves are shown for particles of equal mass. Rank in order, from largest to smallest, the speeds of particles a, b, and c.](https://reader035.fdocuments.in/reader035/viewer/2022062518/56649f355503460f94c53771/html5/thumbnails/3.jpg)
Three de Broglie waves are shown for particles of equal mass. Rank in order, from largest to smallest, the speeds of particles a, b, and c.
1. va = vb > vc 2. vb > va > vc 3. vb > va = vc 4. vc > va > vb 5. vc > va = vb
![Page 4: Chapter 40. Three de Broglie waves are shown for particles of equal mass. Rank in order, from largest to smallest, the speeds of particles a, b, and c.](https://reader035.fdocuments.in/reader035/viewer/2022062518/56649f355503460f94c53771/html5/thumbnails/4.jpg)
A particle in a rigid box in the n = 2 stationary state is most likely to be found
1. One-quarter of the way from either end.2. One-third of the way from either end.3. In the center of the box.4. It is equally likely to be found at any point
in the box.
![Page 5: Chapter 40. Three de Broglie waves are shown for particles of equal mass. Rank in order, from largest to smallest, the speeds of particles a, b, and c.](https://reader035.fdocuments.in/reader035/viewer/2022062518/56649f355503460f94c53771/html5/thumbnails/5.jpg)
A particle in a rigid box in the n = 2 stationary state is most likely to be found
1. One-quarter of the way from either end.2. One-third of the way from either end.3. In the center of the box.4. It is equally likely to be found at any point
in the box.
![Page 6: Chapter 40. Three de Broglie waves are shown for particles of equal mass. Rank in order, from largest to smallest, the speeds of particles a, b, and c.](https://reader035.fdocuments.in/reader035/viewer/2022062518/56649f355503460f94c53771/html5/thumbnails/6.jpg)
This is a wave function for a particle in a finite quantum well. What is the particle’s quantum number?
1. n = 1 2. n = 2 3. n = 3 4. n = 4 5. n = 5
![Page 7: Chapter 40. Three de Broglie waves are shown for particles of equal mass. Rank in order, from largest to smallest, the speeds of particles a, b, and c.](https://reader035.fdocuments.in/reader035/viewer/2022062518/56649f355503460f94c53771/html5/thumbnails/7.jpg)
This is a wave function for a particle in a finite quantum well. What is the particle’s quantum number?
1. n = 1 2. n = 2 3. n = 3 4. n = 4 5. n = 5
![Page 8: Chapter 40. Three de Broglie waves are shown for particles of equal mass. Rank in order, from largest to smallest, the speeds of particles a, b, and c.](https://reader035.fdocuments.in/reader035/viewer/2022062518/56649f355503460f94c53771/html5/thumbnails/8.jpg)
For which potential energy is this an appropriate n = 4 wave function?
(1) (2) (3) (4)
![Page 9: Chapter 40. Three de Broglie waves are shown for particles of equal mass. Rank in order, from largest to smallest, the speeds of particles a, b, and c.](https://reader035.fdocuments.in/reader035/viewer/2022062518/56649f355503460f94c53771/html5/thumbnails/9.jpg)
For which potential energy is this an appropriate n = 4 wave function?
(1) (2) (3) (4)
![Page 10: Chapter 40. Three de Broglie waves are shown for particles of equal mass. Rank in order, from largest to smallest, the speeds of particles a, b, and c.](https://reader035.fdocuments.in/reader035/viewer/2022062518/56649f355503460f94c53771/html5/thumbnails/10.jpg)
Which probability density represents a quantum
harmonic oscillator with
1. a2. b3. c4. d
![Page 11: Chapter 40. Three de Broglie waves are shown for particles of equal mass. Rank in order, from largest to smallest, the speeds of particles a, b, and c.](https://reader035.fdocuments.in/reader035/viewer/2022062518/56649f355503460f94c53771/html5/thumbnails/11.jpg)
Which probability density represents a quantum
harmonic oscillator with
1. a2. b3. c4. d
![Page 12: Chapter 40. Three de Broglie waves are shown for particles of equal mass. Rank in order, from largest to smallest, the speeds of particles a, b, and c.](https://reader035.fdocuments.in/reader035/viewer/2022062518/56649f355503460f94c53771/html5/thumbnails/12.jpg)
1. Decreases.2. Increases.3. Does not change.
A particle with energy E approaches an energy barrier with height U0 > E. If U0 is slowly decreased, the probability that the particle reflects from the barrier
![Page 13: Chapter 40. Three de Broglie waves are shown for particles of equal mass. Rank in order, from largest to smallest, the speeds of particles a, b, and c.](https://reader035.fdocuments.in/reader035/viewer/2022062518/56649f355503460f94c53771/html5/thumbnails/13.jpg)
1. Decreases.2. Increases.3. Does not change.
A particle with energy E approaches an energy barrier with height U0 > E. If U0 is slowly decreased, the probability that the particle reflects from the barrier
![Page 14: Chapter 40. Three de Broglie waves are shown for particles of equal mass. Rank in order, from largest to smallest, the speeds of particles a, b, and c.](https://reader035.fdocuments.in/reader035/viewer/2022062518/56649f355503460f94c53771/html5/thumbnails/14.jpg)
Chapter 40 Reading Quiz
![Page 15: Chapter 40. Three de Broglie waves are shown for particles of equal mass. Rank in order, from largest to smallest, the speeds of particles a, b, and c.](https://reader035.fdocuments.in/reader035/viewer/2022062518/56649f355503460f94c53771/html5/thumbnails/15.jpg)
A quantum particle can pass through a region of space that would be forbidden to a classical particle. What is the name of this process?
1. Teleportation2. Vacuum decay3. Lasing4. Trapping5. Tunneling
![Page 16: Chapter 40. Three de Broglie waves are shown for particles of equal mass. Rank in order, from largest to smallest, the speeds of particles a, b, and c.](https://reader035.fdocuments.in/reader035/viewer/2022062518/56649f355503460f94c53771/html5/thumbnails/16.jpg)
A quantum particle can pass through a region of space that would be forbidden to a classical particle. What is the name of this process?
1. Teleportation2. Vacuum decay3. Lasing4. Trapping5. Tunneling
![Page 17: Chapter 40. Three de Broglie waves are shown for particles of equal mass. Rank in order, from largest to smallest, the speeds of particles a, b, and c.](https://reader035.fdocuments.in/reader035/viewer/2022062518/56649f355503460f94c53771/html5/thumbnails/17.jpg)
A particle in the ground state of a potential energy well
1. is at rest.2. has a zero-point motion.3. is equally probable to be found at any point
inside the well.4. has a wave function that is zero at all points.5. has zero energy.
![Page 18: Chapter 40. Three de Broglie waves are shown for particles of equal mass. Rank in order, from largest to smallest, the speeds of particles a, b, and c.](https://reader035.fdocuments.in/reader035/viewer/2022062518/56649f355503460f94c53771/html5/thumbnails/18.jpg)
A particle in the ground state of a potential energy well
1. is at rest.2. has a zero-point motion.3. is equally probable to be found at any point
inside the well.4. has a wave function that is zero at all points.5. has zero energy.
![Page 19: Chapter 40. Three de Broglie waves are shown for particles of equal mass. Rank in order, from largest to smallest, the speeds of particles a, b, and c.](https://reader035.fdocuments.in/reader035/viewer/2022062518/56649f355503460f94c53771/html5/thumbnails/19.jpg)
Which of these was not analyzed in this chapter?
1. A particle in a capacitor2. A particle in a finite potential well3. A neutron in a nucleus4. An electron in an atom5. An electron in a quantum-well device
![Page 20: Chapter 40. Three de Broglie waves are shown for particles of equal mass. Rank in order, from largest to smallest, the speeds of particles a, b, and c.](https://reader035.fdocuments.in/reader035/viewer/2022062518/56649f355503460f94c53771/html5/thumbnails/20.jpg)
Which of these was not analyzed in this chapter?
1. A particle in a capacitor2. A particle in a finite potential well3. A neutron in a nucleus4. An electron in an atom5. An electron in a quantum-well device